How To Use Intersections to Select Objects with the Mouse - UNIGINE 2 Quick Tips
World Intersection is used in UNIGINE to find objects and their surfaces (polygons) intersected by a traced line (or ray in raycasting).
More on using intersections in UNIGINE 2: https://l.unigine.com/Zrlyf45kt
Download UNIGINE 2 SDK: https://l.unigine.com/bmw7fzVVy